April 2026 · 12 min read

Why Stelais Uses Arweave

Arweave is a permanent storage protocol built for data that must never disappear. Here's what it is, why we chose it over every alternative, and why your proof is not an NFT.

When creators hear “blockchain,” they think speculation, gas fees, and monkey JPEGs. That reaction is earned. Most blockchain projects have nothing to do with the problems creators actually face. Stelais uses Arweave — and only Arweave — for a specific technical reason: it is the only production protocol designed from the ground up for permanent, low-cost data storage. Not trading. Not DeFi. Not collectibles. Storage.

This guide explains what Arweave actually is, how it differs from the blockchains you've heard of, why it's the right foundation for creator provenance, and why a Stelais proof has nothing in common with an NFT.

What Arweave Is

A protocol for data that must never disappear

Arweave is a decentralized storage network that launched in 2018. Its core design principle is permanence: when you write data to Arweave, it stays there indefinitely. Not because a company promises to keep its servers running, but because the protocol's economic and technical architecture makes deletion structurally infeasible.

The mechanism works like this. When data is submitted to Arweave, a one-time fee covers storage in perpetuity. That fee is placed into an endowment — a protocol-level fund that pays miners to replicate and serve the data across hundreds of independent nodes worldwide. The endowment is sized conservatively, assuming storage costs decline over time (which they have, consistently, for decades). As long as the cost of storage continues to fall — and it has fallen roughly 30% per year since the 1980s — the endowment generates a surplus that extends the storage guarantee further.

There is no subscription. No renewal. No company that can change its pricing, deprecate an API, or go bankrupt and take your data with it. The data exists across a distributed network of miners who are economically incentivized to keep it available.

Arweave's permanence is not a promise. It is an economic structure. The endowment model pays for storage from protocol revenue, not from any company's balance sheet.

What gets stored

When a creator registers a work on Stelais, we do not upload the full file to Arweave. What gets written to the permanent ledger is a cryptographic hash of the work's content — a fixed-length fingerprint that uniquely identifies the file without exposing its contents. Alongside the hash, the record includes the creator's identity assertion, a timestamp, and their consent preferences (whether the work is licensed for AI training, and under what terms).

This means your original work stays private. The Arweave record proves that a specific file existed at a specific time, created by a specific person, with specific terms — without revealing the work itself. Anyone with the file can compute its hash and verify it against the permanent record. No one without the file can reverse-engineer the content from the hash.

How Arweave Differs from Other Blockchains

The blockchain landscape is large and confusing. Most of it is irrelevant to creator provenance. Here is how Arweave compares to the protocols creators are most likely to encounter.

Arweave vs Ethereum

Ethereum is a computation platform. Its primary function is executing smart contracts — programs that run on a decentralized network. While you can store small amounts of data on Ethereum, it is prohibitively expensive. Storing 1 MB of data on Ethereum costs hundreds to thousands of dollars in gas fees, depending on network congestion. Ethereum was not designed for storage. It was designed for programmable transactions.

Arweave is the inverse. It was designed exclusively for storage. Writing data to Arweave costs a fraction of a cent per kilobyte. There are no recurring fees, no gas auctions, and no congestion-driven price spikes. For the specific problem of anchoring a permanent proof of creation, Arweave is orders of magnitude cheaper and more appropriate than Ethereum.

Arweave vs Solana

Solana is a high-throughput transaction chain optimized for speed and low fees on financial operations. It processes thousands of transactions per second, which makes it popular for trading and DeFi applications. But Solana has no permanence guarantee. Validators can prune historical data, and the chain's storage model is designed for recent state, not archival permanence.

A provenance record that might be pruned by validators is not a provenance record. For creator proof of origin, the storage must be permanent by design, not merely fast.

Arweave vs IPFS

IPFS (InterPlanetary File System) is the comparison that requires the most nuance, because IPFS is also a storage network — but with a fundamentally different persistence model.

IPFS is content-addressed: files are identified by their hash, and any node can serve a file if it has a copy. The problem is that IPFS has no built-in incentive for nodes to keep data available. If no node chooses to “pin” a file, it gets garbage-collected and disappears from the network. In practice, IPFS persistence depends on either the original uploader running a node indefinitely, or a pinning service (like Pinata or Infura) agreeing to host the data — which reintroduces the same single-point-of-failure problem that centralized storage has.

Filecoin, built on top of IPFS, adds economic incentives through time-limited storage deals. Miners agree to store data for a specific period in exchange for payment. When the deal expires, the data can be dropped. This is better than bare IPFS, but still fundamentally temporary — it requires ongoing deal renewal and payment to maintain persistence.

Arweave's endowment model solves this cleanly. One payment. Permanent storage. No renewal. No pinning service dependency. No single node whose failure means your data disappears.

ProtocolDesigned forPermanenceCost model
EthereumSmart contractsPermanent but prohibitively expensive for dataGas fees per transaction (volatile)
SolanaFast transactionsNo guarantee — validators can pruneLow tx fees, no storage endowment
IPFSContent-addressed file sharingNone — data disappears without active pinningFree to store, ongoing cost to keep available
FilecoinTime-limited storage dealsTemporary — deals expire, data can be droppedRecurring payments per storage deal
ArweavePermanent data storageProtocol-level — endowment funds perpetual replicationOne-time fee, no renewals

Why Your Proof Is Not an NFT

This is the question we get most often, and it deserves a direct answer. A Stelais proof on Arweave has nothing in common with an NFT. They solve different problems, use different mechanisms, and exist for different reasons.

What an NFT actually is

An NFT (non-fungible token) is a token on a blockchain — usually Ethereum — that represents ownership or provenance of an asset. In practice, most NFTs are speculative instruments: the token's value is determined by market demand, not by the underlying asset's utility. The NFT itself typically contains only a link to the media file, which is stored elsewhere (often on IPFS, where it can disappear). The token is tradable, meaning its “ownership” can transfer between wallets.

NFTs were designed to create artificial scarcity and enable secondary markets. They are financial instruments attached to media, not provenance infrastructure for creators.

What a Stelais proof is

A Stelais proof is a cryptographic record — a hash, a timestamp, and a creator assertion — written permanently to Arweave. It has the following properties that distinguish it from an NFT in every meaningful dimension:

  • Not tradable. A Stelais proof cannot be bought, sold, or transferred. It is permanently bound to the creator who registered the work. There is no secondary market. There is no speculation.
  • Not a token. A Stelais proof is not minted as a token on any blockchain. It is a data record on Arweave — plain structured data, not a financial instrument.
  • Not scarce by design. NFTs derive value from artificial scarcity. A Stelais proof derives value from permanent verifiability. Any creator can register any number of works. The value is in the proof, not in the rarity.
  • No wallet required. Creators interact with Stelais through a standard web application. There is no crypto wallet, no seed phrase, no gas fee to manage. Stelais handles the Arweave transaction on the creator's behalf.
  • Content stays private. NFTs typically link to publicly hosted media. A Stelais proof stores only a hash — the original file is never uploaded to any blockchain or public network.

An NFT says “someone paid for this token.” A Stelais proof says “this specific person created this specific work at this specific time, and here are their terms for its use.” These are fundamentally different statements.

Why the distinction matters

The NFT association is not just an aesthetic problem. It is a trust problem. Creators who have watched the NFT market collapse — artists who were told to “mint their work” and saw no meaningful protection result — are understandably skeptical of any product that involves a blockchain. That skepticism is healthy.

Stelais uses blockchain infrastructure (Arweave) for one reason: permanent, tamper-proof storage that no company controls. The same property that makes Arweave useful for provenance — immutability — is what makes it different from the speculative blockchain ecosystem. We are not building a market. We are building a record.

How Stelais Uses Arweave in Practice

When you upload a work to Stelais and create a proof, the following happens:

  1. Hash computation. Stelais computes a SHA-256 hash of your file's content. This hash uniquely identifies your work without exposing it.
  2. Record construction. The hash, your creator identity, a timestamp, and your consent preferences are assembled into a structured proof record.
  3. Arweave transaction. Stelais submits the proof record to Arweave as a permanent data transaction. The one-time storage fee is included in your Stelais subscription — you never interact with Arweave directly or pay a separate blockchain fee.
  4. Confirmation. Once the Arweave network confirms the transaction (typically within minutes), the proof is permanently anchored. It can be independently verified by anyone, forever, by querying Arweave with the content hash.

From the creator's perspective, this is a button click. The blockchain complexity is entirely abstracted. You upload your work, set your terms, and receive a permanent proof. The underlying infrastructure is Arweave; the experience is a web application.

The Permanence Question

The honest version of “is it really permanent?” is this: Arweave's permanence guarantee is as strong as any decentralized system can provide. It depends on the continued operation of a distributed network of miners, the continued decline of storage costs (a trend that has held for 40+ years), and the continued economic viability of the endowment model.

Could Arweave fail? In theory, any system can. But the failure mode of a decentralized, economically incentivized storage network with hundreds of independent operators is categorically different from the failure mode of a single company's cloud storage. Arweave doesn't have a CEO who can decide to shut it down. It doesn't have a board that can vote to deprecate the service. It doesn't have a single data center that can catch fire.

For creator provenance — where the record needs to be available in five, ten, or twenty years for a copyright dispute, a licensing negotiation, or an AI training audit — this distributed permanence is a stronger guarantee than any centralized alternative can offer. The question is not whether Arweave is perfectly permanent. The question is whether it is more permanent than the alternative — and by a wide margin, it is.


Learn more about why the current data infrastructure makes consent structurally unenforceable and how Stelais compares to C2PA Content Credentials.

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